Introduce indexed embedded CPE dictionary (#1897)

* Introduce indexed embedded CPE dictionary

Signed-off-by: Dan Luhring <dluhring@chainguard.dev>

* Don't generate cpe-index on make snapshot

Signed-off-by: Dan Luhring <dluhring@chainguard.dev>

* Add unit tests for individual addEntry funcs

Signed-off-by: Dan Luhring <dluhring@chainguard.dev>

* migrate CPE index build to go generate and add periodic workflow

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add test to ensure generated cpe index is wired up to function that uses it

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

---------

Signed-off-by: Dan Luhring <dluhring@chainguard.dev>
Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>
Co-authored-by: Alex Goodman <wagoodman@users.noreply.github.com>

.github/workflows/update-bootstrap-tools.yml

@@ -6,7 +6,7 @@ on:
   workflow_dispatch:
 
 env:
-  GO_VERSION: "1.19.x"
+  GO_VERSION: "1.20.x"
   GO_STABLE_VERSION: true
 
 jobs:

.github/workflows/update-cpe-dictionary-index.yml

@@ -0,0 +1,43 @@
+name: PR to update CPE dictionary index
+on:
+  schedule:
+    - cron: "0 1 * * 1" # every monday at 1 AM
+
+  workflow_dispatch:
+
+env:
+  GO_VERSION: "1.20.x"
+  GO_STABLE_VERSION: true
+
+jobs:
+  upgrade-cpe-dictionary-index:
+    runs-on: ubuntu-latest
+    if: github.repository == 'anchore/syft' # only run for main repo
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: ${{ env.GO_VERSION }}
+          stable: ${{ env.GO_STABLE_VERSION }}
+
+      - run: |
+          make generate-cpe-dictionary-index
+
+      - uses: tibdex/github-app-token@v1
+        id: generate-token
+        with:
+          app_id: ${{ secrets.TOKEN_APP_ID }}
+          private_key: ${{ secrets.TOKEN_APP_PRIVATE_KEY }}
+
+      - uses: peter-evans/create-pull-request@v5
+        with:
+          signoff: true
+          delete-branch: true
+          branch: auto/latest-cpe-dictionary-index
+          labels: dependencies
+          commit-message: "chore(deps): update CPE dictionary index"
+          title: "chore(deps): update CPE dictionary index"
+          body: |
+            Update CPE dictionary index based on the latest available CPE dictionary
+          token: ${{ steps.generate-token.outputs.token }}

.github/workflows/update-stereoscope-release.yml

@@ -6,7 +6,7 @@ on:
   workflow_dispatch:
 
 env:
-  GO_VERSION: "1.19.x"
+  GO_VERSION: "1.20.x"
   GO_STABLE_VERSION: true
 
 jobs: